Polygraph Glossary Instrument

Layered Voice Analysis

Definition

Layered Voice Analysis (LVA) is a voice-based technology marketed for detecting emotions and deception. Developed by Nemesysco, Ltd. (Israel), it applies algorithms to the voice signal. Independent research has consistently found its validity for deception detection to be poor to non-existent. Th...

What Is Layered Voice Analysis?

Layered Voice Analysis (LVA) is a voice-based technology marketed for detecting emotions and deception. Developed by Nemesysco, Ltd. (Israel), it applies algorithms to the voice signal. Independent research has consistently found its validity for deception detection to be poor to non-existent. The U.S. Department of Defense prohibits voice-based deception detection devices.

References

See: Damphousse et al. (2007); Harnsberger et al. (2009).

Cross-references

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